7. If RQ = 48, QN = 26 and RN = 30 then find y when MT = 2(y + 7)

If RQ = 48, QN = 26 and RN = 30 then find y when MT = 2(y + 7) .y = 6

Step-by-step explanation:

2(y+7)=26

2y + 14 = 26

2y=12

y=6

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step-by-step explanation:

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step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2